The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8469664 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 25, 2013

Filed:

Dec. 09, 2011
Applicants:

James Henry Madge, Simpsonville, SC (US);

Adam Daniel Minadeo, Greenville, SC (US);

Inventors:

James Henry Madge, Simpsonville, SC (US);

Adam Daniel Minadeo, Greenville, SC (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A tower for a wind turbine is disclosed. The tower includes an outer shell defining a yaw axis and a main frame for a nacelle. The tower further includes a first yaw bearing and a second yaw bearing each connecting the outer shell and the main frame. The first yaw bearing and the second yaw bearing are spaced apart from each other along the yaw axis and each rotatable about the yaw axis.


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